Instantaneous three-phase reactive power for digital implementation: Definition and determination

1 January 1978

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 66 (8) , 986-987
https://doi.org/10.1109/PROC.1978.11065

Abstract

Two methods of computing the instantaneous reactive power from concurrent samples of voltages and currents are suggested. The advantages are not having to wait for a quarter of a cycle, consistency with the active power computation, and a simple measurement of the deformation factor. Such a fast computation finds applications in protection, load behavior modelling, state estimation, reactive power compensation, etc.

Keywords

REACTIVE POWER
VOLTAGE
POWER MEASUREMENT
Q MEASUREMENT
POWER SYSTEM MODELING
STATE ESTIMATION
LOAD MODELING
DELAY EFFECTS
FREQUENCY MEASUREMENT
TIME MEASUREMENT

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